Joke go program to fetch & print a random Joke

joke.go

package main

import (
  "encoding/json"
  "fmt"
  "io/ioutil"
  "net/http"
  "time"
)

type jokeBody struct {
  Joke string `json:"joke"`
}

func main() {
  url := "https://sv443.net/jokeapi/v2/joke/Programming?type=single"
  c := http.Client{ Timeout: time.Second * 10 }
  req, _ := http.NewRequest(http.MethodGet, url, nil)
  res, _ := c.Do(req)
  if res.Body != nil { defer res.Body.Close() }
  body, _ := ioutil.ReadAll(res.Body)
  j := jokeBody{}
  json.Unmarshal(body, &j)
  fmt.Printf(j.Joke)
}